core/TimerSys.cpp
branchsourcemod-1.1.0
changeset 2283 03a67e41afbc
parent 1951 c7b4237fff50
child 2287 017a725c9d17
     1.1 --- a/core/TimerSys.cpp	Fri Mar 28 06:21:34 2008 +0000
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,514 +0,0 @@
     1.4 -/**
     1.5 - * vim: set ts=4 :
     1.6 - * =============================================================================
     1.7 - * SourceMod
     1.8 - * Copyright (C) 2004-2007 AlliedModders LLC.  All rights reserved.
     1.9 - * =============================================================================
    1.10 - *
    1.11 - * This program is free software; you can redistribute it and/or modify it under
    1.12 - * the terms of the GNU General Public License, version 3.0, as published by the
    1.13 - * Free Software Foundation.
    1.14 - * 
    1.15 - * This program is distributed in the hope that it will be useful, but WITHOUT
    1.16 - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    1.17 - * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
    1.18 - * details.
    1.19 - *
    1.20 - * You should have received a copy of the GNU General Public License along with
    1.21 - * this program.  If not, see <http://www.gnu.org/licenses/>.
    1.22 - *
    1.23 - * As a special exception, AlliedModders LLC gives you permission to link the
    1.24 - * code of this program (as well as its derivative works) to "Half-Life 2," the
    1.25 - * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
    1.26 - * by the Valve Corporation.  You must obey the GNU General Public License in
    1.27 - * all respects for all other code used.  Additionally, AlliedModders LLC grants
    1.28 - * this exception to all derivative works.  AlliedModders LLC defines further
    1.29 - * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
    1.30 - * or <http://www.sourcemod.net/license.php>.
    1.31 - *
    1.32 - * Version: $Id$
    1.33 - */
    1.34 -
    1.35 -#include <time.h>
    1.36 -#include "TimerSys.h"
    1.37 -#include "ForwardSys.h"
    1.38 -#include "sourcemm_api.h"
    1.39 -#include "frame_hooks.h"
    1.40 -
    1.41 -#define TIMER_MIN_ACCURACY		0.1
    1.42 -
    1.43 -#if !defined ORANGEBOX_BUILD
    1.44 -#define CallGlobalChangeCallbacks	CallGlobalChangeCallback
    1.45 -#endif
    1.46 -
    1.47 -#if defined ORANGEBOX_BUILD
    1.48 -SH_DECL_HOOK3_void(ICvar, CallGlobalChangeCallbacks, SH_NOATTRIB, false, ConVar *, const char *, float);
    1.49 -#else
    1.50 -SH_DECL_HOOK2_void(ICvar, CallGlobalChangeCallbacks, SH_NOATTRIB, false, ConVar *, const char *);
    1.51 -#endif
    1.52 -
    1.53 -TimerSystem g_Timers;
    1.54 -double g_fUniversalTime = 0.0f;
    1.55 -float g_fGameStartTime = 0.0f;	/* Game game start time, non-universal */
    1.56 -double g_fTimerThink = 0.0f;		/* Timer's next think time */
    1.57 -const double *g_pUniversalTime = &g_fUniversalTime;
    1.58 -ConVar *mp_timelimit = NULL;
    1.59 -int g_TimeLeftMode = 0;
    1.60 -
    1.61 -ConVar sm_time_adjustment("sm_time_adjustment", "0", 0, "Adjusts the server time in seconds");
    1.62 -
    1.63 -inline double GetSimulatedTime()
    1.64 -{
    1.65 -	return g_fUniversalTime;
    1.66 -}
    1.67 -
    1.68 -time_t GetAdjustedTime(time_t *buf)
    1.69 -{
    1.70 -	time_t val = time(NULL) + sm_time_adjustment.GetInt();
    1.71 -	if (buf)
    1.72 -	{
    1.73 -		*buf = val;
    1.74 -	}
    1.75 -	return val;
    1.76 -}
    1.77 -
    1.78 -class DefaultMapTimer : 
    1.79 -	public IMapTimer,
    1.80 -	public SMGlobalClass
    1.81 -{
    1.82 -public:
    1.83 -	DefaultMapTimer()
    1.84 -	{
    1.85 -		m_bInUse = false;
    1.86 -	}
    1.87 -
    1.88 -	void OnSourceModLevelChange(const char *mapName)
    1.89 -	{
    1.90 -		g_fGameStartTime = 0.0f;
    1.91 -	}
    1.92 -
    1.93 -	int GetMapTimeLimit()
    1.94 -	{
    1.95 -		return mp_timelimit->GetInt();
    1.96 -	}
    1.97 -
    1.98 -	void SetMapTimerStatus(bool enabled)
    1.99 -	{
   1.100 -		if (enabled && !m_bInUse)
   1.101 -		{
   1.102 -			Enable();
   1.103 -		} 
   1.104 -		else if (!enabled && m_bInUse)
   1.105 -		{
   1.106 -			Disable();
   1.107 -		}
   1.108 -		m_bInUse = enabled;
   1.109 -	}
   1.110 -
   1.111 -	void ExtendMapTimeLimit(int extra_time)
   1.112 -	{
   1.113 -		if (extra_time == 0)
   1.114 -		{
   1.115 -			mp_timelimit->SetValue(0);
   1.116 -			return;
   1.117 -		}
   1.118 -
   1.119 -		extra_time /= 60;
   1.120 -
   1.121 -		mp_timelimit->SetValue(mp_timelimit->GetInt() + extra_time);
   1.122 -	}
   1.123 -
   1.124 -#if defined ORANGEBOX_BUILD
   1.125 -	void GlobalChangeCallback(ConVar *pVar, const char *old_value, float flOldValue)
   1.126 -#else
   1.127 -	void GlobalChangeCallback(ConVar *pVar, const char *old_value)
   1.128 -#endif
   1.129 -	{
   1.130 -		if (pVar != mp_timelimit)
   1.131 -		{
   1.132 -			return;
   1.133 -		}
   1.134 -
   1.135 -		if (atoi(old_value) == pVar->GetInt())
   1.136 -		{
   1.137 -			return;
   1.138 -		}
   1.139 -
   1.140 -		g_Timers.MapTimeLeftChanged();
   1.141 -	}
   1.142 -
   1.143 -private:
   1.144 -	void Enable()
   1.145 -	{
   1.146 -		SH_ADD_HOOK_MEMFUNC(ICvar, CallGlobalChangeCallbacks, icvar, this, &DefaultMapTimer::GlobalChangeCallback, false);
   1.147 -	}
   1.148 -
   1.149 -	void Disable()
   1.150 -	{
   1.151 -		SH_REMOVE_HOOK_MEMFUNC(ICvar, CallGlobalChangeCallbacks, icvar, this, &DefaultMapTimer::GlobalChangeCallback, false);
   1.152 -	}
   1.153 -
   1.154 -private:
   1.155 -	bool m_bInUse;
   1.156 -} s_DefaultMapTimer;
   1.157 -
   1.158 -/**
   1.159 - * If the ticking process has run amok (should be impossible), we 
   1.160 - * take care of this by "skipping" the in-between time, to prevent 
   1.161 - * a bazillion times from firing on accident.  This has the result  
   1.162 - * that a drastic jump in time will continue acting normally.  Users 
   1.163 - * may not expect this, but... I think it is the best solution.
   1.164 - */
   1.165 -inline double CalcNextThink(double last, float interval)
   1.166 -{
   1.167 -	if (g_fUniversalTime - last - interval <= TIMER_MIN_ACCURACY)
   1.168 -	{
   1.169 -		return last + interval;
   1.170 -	}
   1.171 -	else
   1.172 -	{
   1.173 -		return g_fUniversalTime + interval;
   1.174 -	}
   1.175 -}
   1.176 -
   1.177 -void ITimer::Initialize(ITimedEvent *pCallbacks, float fInterval, float fToExec, void *pData, int flags)
   1.178 -{
   1.179 -	m_Listener = pCallbacks;
   1.180 -	m_Interval = fInterval;
   1.181 -	m_ToExec = fToExec;
   1.182 -	m_pData = pData;
   1.183 -	m_Flags = flags;
   1.184 -	m_InExec = false;
   1.185 -	m_KillMe = false;
   1.186 -}
   1.187 -
   1.188 -TimerSystem::TimerSystem()
   1.189 -{
   1.190 -	m_pMapTimer = NULL;
   1.191 -	m_bHasMapTickedYet = false;
   1.192 -	m_bHasMapSimulatedYet = false;
   1.193 -	m_fLastTickedTime = 0.0f;
   1.194 -}
   1.195 -
   1.196 -TimerSystem::~TimerSystem()
   1.197 -{
   1.198 -	CStack<ITimer *>::iterator iter;
   1.199 -	for (iter=m_FreeTimers.begin(); iter!=m_FreeTimers.end(); iter++)
   1.200 -	{
   1.201 -		delete (*iter);
   1.202 -	}
   1.203 -	m_FreeTimers.popall();
   1.204 -}
   1.205 -
   1.206 -void TimerSystem::OnSourceModAllInitialized()
   1.207 -{
   1.208 -	g_ShareSys.AddInterface(NULL, this);
   1.209 -	m_pOnGameFrame = g_Forwards.CreateForward("OnGameFrame", ET_Ignore, 0, NULL);
   1.210 -	m_pOnMapTimeLeftChanged = g_Forwards.CreateForward("OnMapTimeLeftChanged", ET_Ignore, 0, NULL);
   1.211 -}
   1.212 -
   1.213 -void TimerSystem::OnSourceModGameInitialized()
   1.214 -{
   1.215 -	mp_timelimit = icvar->FindVar("mp_timelimit");
   1.216 -
   1.217 -	if (m_pMapTimer == NULL && mp_timelimit != NULL)
   1.218 -	{
   1.219 -		SetMapTimer(&s_DefaultMapTimer);
   1.220 -	}
   1.221 -}
   1.222 -
   1.223 -void TimerSystem::OnSourceModShutdown()
   1.224 -{
   1.225 -	SetMapTimer(NULL);
   1.226 -	g_Forwards.ReleaseForward(m_pOnGameFrame);
   1.227 -	g_Forwards.ReleaseForward(m_pOnMapTimeLeftChanged);
   1.228 -}
   1.229 -
   1.230 -void TimerSystem::OnSourceModLevelChange(const char *mapName)
   1.231 -{
   1.232 -	MapChange(true);
   1.233 -}
   1.234 -
   1.235 -void TimerSystem::OnSourceModLevelEnd()
   1.236 -{
   1.237 -	m_bHasMapTickedYet = false;
   1.238 -	m_bHasMapSimulatedYet = false;
   1.239 -}
   1.240 -
   1.241 -void TimerSystem::GameFrame(bool simulating)
   1.242 -{
   1.243 -	if (simulating && m_bHasMapTickedYet)
   1.244 -	{
   1.245 -		g_fUniversalTime += gpGlobals->curtime - m_fLastTickedTime;
   1.246 -		if (!m_bHasMapSimulatedYet)
   1.247 -		{
   1.248 -			m_bHasMapSimulatedYet = true;
   1.249 -			MapTimeLeftChanged();
   1.250 -		}
   1.251 -	}
   1.252 -	else 
   1.253 -	{
   1.254 -		g_fUniversalTime += gpGlobals->interval_per_tick;
   1.255 -	}
   1.256 -
   1.257 -	m_fLastTickedTime = gpGlobals->curtime;
   1.258 -	m_bHasMapTickedYet = true;
   1.259 -
   1.260 -	if (g_fUniversalTime >= g_fTimerThink)
   1.261 -	{
   1.262 -		RunFrame();
   1.263 -
   1.264 -		g_fTimerThink = CalcNextThink(g_fTimerThink, TIMER_MIN_ACCURACY);
   1.265 -	}
   1.266 -
   1.267 -	RunFrameHooks();
   1.268 -
   1.269 -	if (m_pOnGameFrame->GetFunctionCount())
   1.270 -	{
   1.271 -		m_pOnGameFrame->Execute(NULL);
   1.272 -	}
   1.273 -}
   1.274 -
   1.275 -void TimerSystem::RunFrame()
   1.276 -{
   1.277 -	ITimer *pTimer;
   1.278 -	TimerIter iter;
   1.279 -
   1.280 -	double curtime = GetSimulatedTime();
   1.281 -	for (iter=m_SingleTimers.begin(); iter!=m_SingleTimers.end(); )
   1.282 -	{
   1.283 -		pTimer = (*iter);
   1.284 -		if (curtime >= pTimer->m_ToExec)
   1.285 -		{
   1.286 -			pTimer->m_InExec = true;
   1.287 -			pTimer->m_Listener->OnTimer(pTimer, pTimer->m_pData);
   1.288 -			pTimer->m_Listener->OnTimerEnd(pTimer, pTimer->m_pData);
   1.289 -			iter = m_SingleTimers.erase(iter);
   1.290 -			m_FreeTimers.push(pTimer);
   1.291 -		} 
   1.292 -		else 
   1.293 -		{
   1.294 -			break;
   1.295 -		}
   1.296 -	}
   1.297 -
   1.298 -	ResultType res;
   1.299 -	for (iter=m_LoopTimers.begin(); iter!=m_LoopTimers.end(); )
   1.300 -	{
   1.301 -		pTimer = (*iter);
   1.302 -		if (curtime >= pTimer->m_ToExec)
   1.303 -		{
   1.304 -			pTimer->m_InExec = true;
   1.305 -			res = pTimer->m_Listener->OnTimer(pTimer, pTimer->m_pData);
   1.306 -			if (pTimer->m_KillMe || (res == Pl_Stop))
   1.307 -			{
   1.308 -				pTimer->m_Listener->OnTimerEnd(pTimer, pTimer->m_pData);
   1.309 -				iter = m_LoopTimers.erase(iter);
   1.310 -				m_FreeTimers.push(pTimer);
   1.311 -				continue;
   1.312 -			}
   1.313 -			pTimer->m_InExec = false;
   1.314 -			pTimer->m_ToExec = CalcNextThink(pTimer->m_ToExec, pTimer->m_Interval);
   1.315 -		}
   1.316 -		iter++;
   1.317 -	}
   1.318 -}
   1.319 -
   1.320 -ITimer *TimerSystem::CreateTimer(ITimedEvent *pCallbacks, float fInterval, void *pData, int flags)
   1.321 -{
   1.322 -	ITimer *pTimer;
   1.323 -	TimerIter iter;
   1.324 -	float to_exec = GetSimulatedTime() + fInterval;
   1.325 -
   1.326 -	if (m_FreeTimers.empty())
   1.327 -	{
   1.328 -		pTimer = new ITimer;
   1.329 -	} else {
   1.330 -		pTimer = m_FreeTimers.front();
   1.331 -		m_FreeTimers.pop();
   1.332 -	}
   1.333 -
   1.334 -	pTimer->Initialize(pCallbacks, fInterval, to_exec, pData, flags);
   1.335 -
   1.336 -	if (flags & TIMER_FLAG_REPEAT)
   1.337 -	{
   1.338 -		m_LoopTimers.push_back(pTimer);
   1.339 -		goto return_timer;
   1.340 -	}
   1.341 -
   1.342 -	if (m_SingleTimers.size() >= 1)
   1.343 -	{
   1.344 -		iter = --m_SingleTimers.end();
   1.345 -		if ((*iter)->m_ToExec <= to_exec)
   1.346 -		{
   1.347 -			goto normal_insert_end;
   1.348 -		}
   1.349 -	}
   1.350 -
   1.351 -	for (iter=m_SingleTimers.begin(); iter!=m_SingleTimers.end(); iter++)
   1.352 -	{
   1.353 -		if ((*iter)->m_ToExec >= to_exec)
   1.354 -		{
   1.355 -			m_SingleTimers.insert(iter, pTimer);
   1.356 -			goto return_timer;
   1.357 -		}
   1.358 -	}
   1.359 -
   1.360 -normal_insert_end:
   1.361 -	m_SingleTimers.push_back(pTimer);
   1.362 -
   1.363 -return_timer:
   1.364 -	return pTimer;
   1.365 -}
   1.366 -
   1.367 -void TimerSystem::FireTimerOnce(ITimer *pTimer, bool delayExec)
   1.368 -{
   1.369 -	ResultType res;
   1.370 -
   1.371 -	if (pTimer->m_InExec)
   1.372 -	{
   1.373 -		return;
   1.374 -	}
   1.375 -
   1.376 -	pTimer->m_InExec = true;
   1.377 -	res = pTimer->m_Listener->OnTimer(pTimer, pTimer->m_pData);
   1.378 -
   1.379 -	if (!(pTimer->m_Flags & TIMER_FLAG_REPEAT))
   1.380 -	{
   1.381 -		pTimer->m_Listener->OnTimerEnd(pTimer, pTimer->m_pData);
   1.382 -		m_SingleTimers.remove(pTimer);
   1.383 -		m_FreeTimers.push(pTimer);
   1.384 -	} 
   1.385 -	else 
   1.386 -	{
   1.387 -		if ((res != Pl_Stop) && !pTimer->m_KillMe)
   1.388 -		{
   1.389 -			if (delayExec)
   1.390 -			{
   1.391 -				pTimer->m_ToExec = GetSimulatedTime() + pTimer->m_Interval;
   1.392 -			}
   1.393 -			pTimer->m_InExec = false;
   1.394 -			return;
   1.395 -		}
   1.396 -		pTimer->m_Listener->OnTimerEnd(pTimer, pTimer->m_pData);
   1.397 -		m_LoopTimers.remove(pTimer);
   1.398 -		m_FreeTimers.push(pTimer);
   1.399 -	}
   1.400 -}
   1.401 -
   1.402 -void TimerSystem::KillTimer(ITimer *pTimer)
   1.403 -{
   1.404 -	if (pTimer->m_KillMe)
   1.405 -	{
   1.406 -		return;
   1.407 -	}
   1.408 -
   1.409 -	if (pTimer->m_InExec)
   1.410 -	{
   1.411 -		pTimer->m_KillMe = true;
   1.412 -		return;
   1.413 -	}
   1.414 -
   1.415 -	pTimer->m_InExec = true; /* The timer it's not really executed but this check needs to be done */
   1.416 -	pTimer->m_Listener->OnTimerEnd(pTimer, pTimer->m_pData);
   1.417 -
   1.418 -	if (pTimer->m_Flags & TIMER_FLAG_REPEAT)
   1.419 -	{
   1.420 -		m_LoopTimers.remove(pTimer);
   1.421 -	} else {
   1.422 -		m_SingleTimers.remove(pTimer);
   1.423 -	}
   1.424 -
   1.425 -	m_FreeTimers.push(pTimer);
   1.426 -}
   1.427 -
   1.428 -CStack<ITimer *> s_tokill;
   1.429 -void TimerSystem::MapChange(bool real_mapchange)
   1.430 -{
   1.431 -	ITimer *pTimer;
   1.432 -	TimerIter iter;
   1.433 -
   1.434 -	for (iter=m_SingleTimers.begin(); iter!=m_SingleTimers.end(); iter++)
   1.435 -	{
   1.436 -		pTimer = (*iter);
   1.437 -		if (real_mapchange && (pTimer->m_Flags & TIMER_FLAG_NO_MAPCHANGE))
   1.438 -		{
   1.439 -			s_tokill.push(pTimer);
   1.440 -		}
   1.441 -	}
   1.442 -
   1.443 -	for (iter=m_LoopTimers.begin(); iter!=m_LoopTimers.end(); iter++)
   1.444 -	{
   1.445 -		pTimer = (*iter);
   1.446 -		if (real_mapchange && (pTimer->m_Flags & TIMER_FLAG_NO_MAPCHANGE))
   1.447 -		{
   1.448 -			s_tokill.push(pTimer);
   1.449 -		}
   1.450 -	}
   1.451 -
   1.452 -	while (!s_tokill.empty())
   1.453 -	{
   1.454 -		KillTimer(s_tokill.front());
   1.455 -		s_tokill.pop();
   1.456 -	}
   1.457 -}
   1.458 -
   1.459 -IMapTimer *TimerSystem::SetMapTimer(IMapTimer *pTimer)
   1.460 -{
   1.461 -	IMapTimer *old = m_pMapTimer;
   1.462 -
   1.463 -	m_pMapTimer = pTimer;
   1.464 -
   1.465 -	if (m_pMapTimer)
   1.466 -	{
   1.467 -		m_pMapTimer->SetMapTimerStatus(true);
   1.468 -	}
   1.469 -
   1.470 -	if (old)
   1.471 -	{
   1.472 -		old->SetMapTimerStatus(false);
   1.473 -	}
   1.474 -
   1.475 -	return old;
   1.476 -}
   1.477 -
   1.478 -IMapTimer *TimerSystem::GetMapTimer()
   1.479 -{
   1.480 -	return m_pMapTimer;
   1.481 -}
   1.482 -
   1.483 -void TimerSystem::MapTimeLeftChanged()
   1.484 -{
   1.485 -	m_pOnMapTimeLeftChanged->Execute(NULL);
   1.486 -}
   1.487 -
   1.488 -void TimerSystem::NotifyOfGameStart(float offset)
   1.489 -{
   1.490 -	g_fGameStartTime = gpGlobals->curtime + offset;
   1.491 -}
   1.492 -
   1.493 -float TimerSystem::GetTickedTime()
   1.494 -{
   1.495 -	return g_fUniversalTime;
   1.496 -}
   1.497 -
   1.498 -bool TimerSystem::GetMapTimeLeft(float *time_left)
   1.499 -{
   1.500 -	if (!m_pMapTimer)
   1.501 -	{
   1.502 -		return false;
   1.503 -	}
   1.504 -
   1.505 -	int time_limit;
   1.506 -	if (!m_bHasMapSimulatedYet || (time_limit = m_pMapTimer->GetMapTimeLimit()) < 1)
   1.507 -	{
   1.508 -		*time_left = -1.0f;
   1.509 -	}
   1.510 -	else
   1.511 -	{
   1.512 -		*time_left = (g_fGameStartTime + time_limit * 60.0f) - gpGlobals->curtime;
   1.513 -	}
   1.514 -
   1.515 -	return true;
   1.516 -}
   1.517 -